Defend {name of settlement} Minutmen Quest
This quest will be triggered or can be aquired when you complete Taking Independence quest.
Stages of "Defend {name of settlement}" quest
1. Travel to {name of settlement}
I heard on Radio Freedom that {name of settlement} is under threat from Institute synths.
Possible settlements: Greentop Nursery, Nordhagen Beach, etc.
2. Build defenses
The people of {name of settlement} are worried that Institute synths are preparing to attack. I should do what I can to build up their defenses before it's too late.
3. Help defend {name of settlement}
I should help defend {name of settlement} from the Institute synths.
4. Talk to people of {name of settlement}
The Institute synth attack on {name of settlement} was defeated.